Ventilating-hood.



G. C. BOHN.

VENTILATING HOOD.

APPLICATION FILED JAN. 3, 1912.

Patented Sept. 914.

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is Afibrpeya.

G. C. BOHN.

VENTILATING HOOD.

APPLICATION FILED JAN. 3. 1912.

Patented Sept. 22. 1914.

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r ,a ncationfilea anuar a,1 1 912.:

To all whom'it may concern: Be tknown that IfGrEBiHARDflG. Bonn, a

citizen of the United States, residing at St.1, Paul, in the county ofBamsey and State of Minnesota, hays ,invented certain new and? useful Improvements in Ve ntilating Hoods,

of whichthe following is a specification."

My inventionrelates to improvements inf ventilating hoods designedfp articularly for use in connection withthe, plug opening of a refrlgerator car, and conslsts essentlally 1n f improved means for mdicatlngwhen) the plug is openfandfor directing theair to the inlet openings of the hood. v

To this end the inventionconsists in the features of construction, combinatiomand arrangement of In theaccompanyingdrawings part of this specification,;Figure l'is a vertical section through thehood and plug and parts hereinafter described: and claimed. I i q i the adjacent portion of the car, with the plug open; Fig. 2 in detail view, broken away, of a hoodin open position; Fig. 3 is a vertical section through the hood and plug and adjacent portion of thecar with the plug closed. Fig. Ais'a front view of the hood partly broken away; 5 is a detail view of. lever arms forming part of my invention; andFig. 6 is aydetail view ofyan indicating, reflector forming part: of my invention.

In thedrawings A represents the roof of the car formed with the ordinary opening;

2 through which-the ice can be fed into the Vice chambenQTheopening 2is closed by a suitable plug 3. 'As shown inthe drawings the plughas hinge connection at one end with the car roof by means era hingel lp Covering the ice opening is a hood'B having hinge connection 5 at one end with the car roof. The front'end of the hood has a closure of wire screening 7 andinside the screening" 7 are parallel baflie plates 6 sloping upwardly. The hoodisadapted to be secured at its free end to thereof of the car as by means of a latchS cooperating with a staple 9 secured tothecar roof. -The ice opening a is preferably-surrounded by an upwardly hood is gositioned. p

V -In order to indicate from outside the hood extendin flange 10 outside of which the whether the plugispopen or closed I provide an indicator llcarried'by pintles 12 j'our: naled in the supports 2 extending forwardly from the upper end of the hood one Bonn, or sir; rnunf viinnnsornf L i U vmmmme wm i 1 it ;li nk.13 withone end of an arm 14:,vthe arm 14E."being iormed atits rear end with a-pin' l5 QLXl36IlCllI1g through a. downwardly curved slot 16in the adjacent sidewall of the. hood.

4L bentil everia m 17 has fulcrum suppdrfiis inside the side Wall of the hood, the from;

end of said lever arm being connected with end of; saidhin'dic'ator'jiconnected by-a the pin 15 and the rear end 19 of said arm be i.

ing turned inwardly above the plug. The indicator 10 is, curved plate extending across the top of the front of the hood so as to constitute a'de- @fiector when in the position shown in Fig. 1. When the plug, is in closed position the lever arm 17 will drop and rest upon the rod 20 extending transversely of the hood as as shown, in the form of a indicated in Fig. 2. As the lever arm drops to this position it will, through the medium I of the arm'l and link 13, turn the indicator 10 into the j depending position "shown. When thehood is turned into open position against. the roof of the car and the plug turned back upon its hinge it will drop upon the inwardly turned free end of the lever arm l7 as indicated in Fig. 2 and will,by reason of its weight, turn the lever arm upon its fulcrum to allow the free end of the plugto passthe rodQO. When the hood isathen closed the free end ofthe plug will stand above the rodas shown in Fig. 1. In this position of the plug the bent arm will be held turned upon its fulcrum as shownin Fig.1 to hold the indicator in extended position! It will thusbe evident that with therplug'in open position the indicator will constltute a prominent signal to train em- I ployeesthat the plug is open as well as defiecting' the air to the inlet openings in the hood. In order-to close the plugthe hood may be turned back upon its hinges to mounted outside the'front wall'of said hood,

andmeans actuatable from said plug when the same is carried into open position to turn said plate for the purpose set forth.

hood covering saidopening and having inlet 2. In combination with arei 'rigeratorcarj having an opening in its roof at one end," a H ports in its front wall, a-plugfitted to said opening, a deflecting indicator 'pivotally supported outside the front wall' of said supported in front of said hood aboves'ai'd' .hood, and actuating. arms connected "with 7 ports, and means controlled from the plug 1 said indicator andjextending inwardly above 15 when the same is turned in open'p'ositi'on to said plug but unconnected therewith for the actuate said deflecting indicator for the purpurpose set forth. V a

pose set forth. In testimony whereof I aflix my signature 3.' In comblnation with a refrigerator cm in presence of two Witnesses. V

havin 'an opening inits-rooftoWztrdbHe end, a hood covering the same movably supported uponwthe: ear roof, a plugffitted to a said opening and having hingevconneotion with said cal-"roof, an: indicator movably Copiesof this patefitmay be' obtained forfive cents'each, addressin the Commissioner'of'Iaitents; Y

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